/**
 * Copyright (c) 2018, biezhi 王爵nice (hellokaton@gmail.com)
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.hellokaton.blade.validator;

import lombok.AllArgsConstructor;

import java.util.function.Predicate;

@AllArgsConstructor
public class SimpleValidation<T> implements Validation<T> {

    private Predicate<T> predicate;
    private String       onErrorMessage;

    public static <T> SimpleValidation<T> from(Predicate<T> predicate, String onErrorMessage) {
        return new SimpleValidation<>(predicate, onErrorMessage);
    }

    @Override
    public ValidationResult test(T param) {
        return predicate.test(param) ? ValidationResult.ok() : ValidationResult.fail(onErrorMessage);
    }

}